Troubleshooting
The LED’s indicates the following,
when a Scoreboard is OK:
D1, D2, D3, D4 and D5 constantly light
green. D6 flashes red. D7 flashes yel-
low. D8 flashes red, but only if a radio
module is present.
4.1.1 D1, Main
If D1 is OFF: Check 230VAC Power for
the scoreboard.
4.1.2 D2, 230VAC LED
If D2 is OFF: Check fuse F3.
4.1.3 D3, 12VDC Horn
If D3 is OFF: Check fuse F1.
4.1.4 D4, 24VDC Digit
If D4 is OFF: Check fuse F2.
4.1.5 D5, 24VDC for J2, J3 and J4.
If D5 is OFF: Remove all equipment
connected to J2, J3 and J4. If D5
turns on, some of the equipment may
be damaged.
4.1.6 D6, Equipment
communication.
If D6 is OFF:Check the Cable connect-
ed to the NT Control Panel. Check
the Wall connector.
4.1.7 D7, Internal Communication.
If D7 is OFF:Internal units in the
Scoreboard might be damaged.
4.1.8 D8, Wireless Communication .
If D8 is OFF: Wireless module must
be installed for D8 to function. Check
that the NT Control Panel is turned
ON.
4.2 NT Control Panel.
If the Power LED ON:
If wired connect NT Control Panel
to the Scoreboard. If wireless, turn
the NT Control Panel ON. If the NT
Control Panel dose not respond and
the Displays do not show text, the NT
Control Panel is damaged and must
be sent to repair.
Power LED OFF:
NT Control Panel - Cabled:
Check the Cable connected between
the Scoreboard system and the NT
Control Panel. Check the Wall con-
nector.
NT Control Panel - Wireless:
Exchange the battery charger. Let
the wireless NT Control Panel charge
for approximately 30 minutes.
Seen from the bottom of the Scoreboard.
For more information on troubleshooting and service visit nautronic.com/spareparts/naucon-1000-service
Nautronic Scoreboard System - www.nautronic.com
